[PATCH] tests: avoid a failure when there isn't a name for all user IDs

[Pádraig Brady]

* tests/misc/id-zero.sh: Don't check exit status when in -n mode.

Prompted by the continuous integration build failure at:
http://hydra.nixos.org/build/6196762
---
 tests/misc/id-zero.sh |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/tests/misc/id-zero.sh b/tests/misc/id-zero.sh
index cef5672..61a2c07 100755
--- a/tests/misc/id-zero.sh
+++ b/tests/misc/id-zero.sh
@@ -49,8 +49,10 @@ while read u ; do
     for n in '' n ; do
       printf   '%s: ' "id -${o}${n}[z] $u" >> exp || framework_failure_
       printf '\n%s: ' "id -${o}${n}[z] $u" >> out || framework_failure_
-      id -${o}${n}  $u >> exp || fail=1
-      id -${o}${n}z $u  > tmp || fail=1
+      # There may be no name corresponding to an id, so don't check
+      # exit status when in name lookup mode
+      id -${o}${n}  $u >> exp || { test -z "$n" && fail=1; }
+      id -${o}${n}z $u  > tmp || { test -z "$n" && fail=1; }
       head -c-1 < tmp >> out || framework_failure_
     done
   done
-- 
1.7.7.6